#include <iostream>


namespace first_space {
	void func() {
		std::cout << "Inside first_space " << std::endl;
	}
}
namespace second_space {
	void func() {
		std::cout << "Inside second_space " << std::endl;
	}
}

int main() {
	first_space::func();
	second_space::func();
	system("pause");
	return 0;
}